what does this idiom mean in this song....

"Fell right through the cracks"

Jason Mraz - I'm Yours Lyrics [Original Ukulele Version] - YouTube

I think fall through the cracks means be overlooked, ignored... but doesn't make sense in this context from videoclipe

Please, help me!

"Fall through the cracks" does normally mean to be overlooked, but I think this songwriter is using this expression to mean that he collapsed into pieces and literally fell through the cracks. In the preceding line he sings "you were so hot, I melted".

It's the same "fall through" = to fail in this context, am I right?

Quote:

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Originally Posted by guliver

It's the same "fall through" = to fail in this context, am I right?

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It's difficult to tell with song lyrics, which are sometimes close to meaningless. In this case, I think catbert has come as close to any meaning as one can.

Quote:

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Originally Posted by guliver

It's the same "fall through" = to fail in this context, am I right?

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No, it doesn't mean "fail" in this context.
The songwriter just used this phrase because he thought it would sound nice, not because it's actually meaningful in the given context.